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Andonstar 249S - Lens A

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8
Lens A:
Working distance12mm-320mmMagnification18-720xwith3 times
digital zoom, output to 28inch HDMI monitor)
Applications: observe whole size or part of coins, stones/stamps collect,
circuit board observe etc.
(Pic 6 Go with Lens A)
Steps:In pic 6 it marked out which parts of the microscope are involved to each step.
①Install and fix lens A to the bottom of the focusing tube.
②Bend the two goose-neck spot lights, make sure the light shines on the coin.
Loose the Arm V-locker, locate the whole monitor part to a desire height (distance from the lens to
the specimen should be around 12mm to 320mm), then fix the V-locker. In order to adjust object
distance more precisely, adjust the height of the secondary bracket. The shorter the object distance is,
the bigger magnification is.
④Turn the focusing tube to get a clear image. Turn it clockwise to zoom in and the other way to zoom
out.
*In order to observe part of the coin, please lower the arm height to shorten the object distance, then
turn the focusing tube, get a clear image.
*Steps above can also be applied to observe plants, stones etc.

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